James Bourne, Charlie Simpson and Matt Jay back in the day (Image: PA)

"I believe Charlie is going back to Busted ," he told The Sun at the Behind the Mask ball for mental health charity Mind.

Tom, who is currently recording a new album with McFly bandmates Danny Jones, Dougie Poynter, and Harry Judd, says Matt and James from Busted - which split up in 2005 - haven't said anything about future plans for their joint project.

"We've not really spoken to each other," he revealed.

Mirror Online have contacted Charlie's publicist to find out his plans.

Tom recently told Yahoo that he hopes there is more to come from McBusted.

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“McBusted was so unplanned, we never expected it to go on for as long as it did," he said.

“We just thought there would be that first tour and that would only be about 11 shows, and it ended up being around 35. Before you knew it we were making an album, and it naturally flowed into a second tour.

“It’s something that is always going to be there - it definitely doesn’t feel like the end.”

Tom, 30, was hosting the Behind the Mask event in London after recently speaking about his battle with depression.